An analysis of risk factors of liver metastases from non-small cell lung cancer and a comparison of different treatments for it
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摘要: 目的 探讨非小细胞肺癌发生肝转移的危险因素;发生肝转移后采用手术、单纯全身化疗、全身化疗联合肝动脉化疗栓塞三种疗法治疗效果比较。方法 经查阅文献筛选出可能与非小细胞肺癌(non-small cell lung cancer,NSCLC)肝转移有关的危险因素,采用χ2检验初步探索与肝转移相关的危险因素,进而采用多因素Logistic回归分析深入研究非小细胞肺癌肝转移的独立危险因素。采用Kaplan-Meier生存曲线比较三种疗法各自的预后,通过比较各自的无进展生存判断各疗法的优劣。结果 无乙肝病史(P<0.001)、病理类型为腺癌(P=0.004)、分期为Ⅲ期(P<0.001)为非小细胞肺癌肝转移的独立危险因素。联合组有效率(65.0%)高于化疗组(31.0%)(χ2=10.037,P=0.002)。联合组中位无进展生存(7.9个月)长于化疗组(6.3个月)(χ2=2.561,P=0.001)及手术组(5.9个月)(χ2=3.762,P=0.007),手术组与化疗间差异无统计学意义(χ2=0.540,P=0.462)。结论 无乙肝病史、腺癌、Ⅲ期为非小细胞肺癌肝转移的独立危险因素。肝转移后手术短期疗效佳,长期疗效与化疗相似,劣于化疗联合介入。Abstract: Objective To explore the risk factors of liver metastases from non-small cell lung cancer (NSCLC) and to compare the advantages and limits of surgery, chemotherapy and chemotherapy combined with transcatheter arterial chemoembolization (TACE) in treating the liver metastases from NSCLC. Methods We reviewed literature to find potential risk factors that could affect liver metastases from NSCLC. Next, they were investigated using the chi-square test and logistic regression analysis. Also, Kplan-Meier survival curve analysis was used to compare the three kinds of treatments. Results Chi-square test and logistic regression analysis suggested that no history of hepatitis B (P<0.001), adenocarcinoma (P=0.004) and stage Ⅲ (P<0.001) were independent prognostic factors. The efficiency rate was 100% for surgery, 31.0% for chemotherapy and 65.0% for chemotherapy combined with TACE (CCT), respectively (χ2=10.037, P=0.002). The median PFS was 6.3 months for surgery, 5.9 months for chemotherapy and 7.9 months for CCIT, respectively (surgery vs chemotherapy: χ2=0.540, P=0.462; CCT vs chemotherapy: χ2=2.561, P=0.001; CCT vs surgery: χ2=3.762, P=0.007). Conclusions No history of hepatitis B, adenocarcinoma and stage III are risk factors of liver metastases from NSCLC. CCT may bring more PFS benefits compared with surgery and chemotherapy for patients with liver metastases from NSCLC.
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